frog-adjustment screw
/ˈfɹeɪmɪŋ ˈskweə/
n
English · frog-adjustment screw中文 · 刨刀调节螺丝Español · tornillo de ajuste de ranillaFrançais · réglage de l’angle
意味：Screw adjusting the blade’s slant and, therefore, the width of the opening (mouth) that removes the shavings.